kern/test-src/de/superx/conf/ApplicationConfigTest.java

package de.superx.conf;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.io.File;

import org.junit.Test;

import de.superx.conf.ApplicationConfig.Key;

@SuppressWarnings("static-method")
public class ApplicationConfigTest {
    
    @Test
    public void applicationConfigHealthCheckAvailable() {
        ApplicationConfig.readApplicationProperties();
        String val = ApplicationConfig.get(Key.init_health_check);
        assertNotNull("Key for healthcheck available", val);
    }
    
    @Test
    public void customPropertiesOverwrite() {
        File applicationPropertiesFile = new File(String.join(File.separator, ".", "test", "resources", "application_config", "application.properties"));
        File customApplicationPropertiesFile = new File(String.join(File.separator, ".", "test", "resources", "application_config", "application_custom.properties"));
        ApplicationConfig.readApplicationProperties(applicationPropertiesFile, customApplicationPropertiesFile);
        Boolean val = (Boolean) ApplicationConfig.getWithType(Key.init_health_check);
        assertEquals("Config property is overwritten", Boolean.FALSE, val);
    }

    @Test
    public void wrongKeyIsDiscarded() {
        File applicationPropertiesFile = new File(String.join(File.separator, "test", "resources", "application_config", "application.properties"));
        File customApplicationPropertiesFile = new File(String.join(File.separator, "test", "resources", "application_config", "application_custom_wrong_type.properties"));
        ApplicationConfig.readApplicationProperties(applicationPropertiesFile, customApplicationPropertiesFile);
        Boolean val = (Boolean) ApplicationConfig.getWithType(Key.init_health_check);
        assertEquals("Wrong type is discarded", Boolean.TRUE, val);
        assertEquals("Wrong key is discarded", 2, ApplicationConfig.getKeyCount());
    }
}